mirror of
https://github.com/koreader/koreader
synced 2024-11-18 03:25:46 +00:00
127 lines
3.6 KiB
Lua
127 lines
3.6 KiB
Lua
require "ui/geometry"
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CreDocument = Document:new{
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_document = false,
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engine_initilized = false,
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line_space_percent = 100,
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default_font = "Droid Sans Fallback",
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}
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-- NuPogodi, 20.05.12: inspect the zipfile content
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function CreDocument:zipContentExt(fname)
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local outfile = "./data/zip_content"
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local s = ""
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os.execute("unzip ".."-l \""..fname.."\" > "..outfile)
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local i = 1
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if io.open(outfile,"r") then
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for lines in io.lines(outfile) do
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if i == 4 then s = lines break else i = i + 1 end
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end
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end
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-- return the extention
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return string.lower(string.match(s, ".+%.([^.]+)"))
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end
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function CreDocument:engineInit()
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if not engine_initilized then
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-- initialize cache
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cre.initCache(1024*1024*64)
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-- we need to initialize the CRE font list
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local fonts = Font:getFontList()
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for _k, _v in ipairs(fonts) do
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local ok, err = pcall(cre.registerFont, Font.fontdir..'/'.._v)
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if not ok then
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DEBUG(err)
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end
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end
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local default_font = G_reader_settings:readSetting("cre_font")
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if default_font then
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self.default_font = default_font
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end
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engine_initilized = true
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end
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end
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function CreDocument:init()
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self:engineInit()
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local ok
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local file_type = string.lower(string.match(self.file, ".+%.([^.]+)"))
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if file_type == "zip" then
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-- NuPogodi, 20.05.12: read the content of zip-file
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-- and return extention of the 1st file
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file_type = self:zipContentExt(filename)
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end
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-- these two format use the same css file
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if file_type == "html" then
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file_type = "htm"
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end
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-- if native css-file doesn't exist, one needs to use default cr3.css
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if not io.open("./data/"..file_type..".css") then
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file_type = "cr3"
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end
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local style_sheet = "./data/"..file_type..".css"
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ok, self._document = pcall(cre.openDocument, self.file, style_sheet,
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Screen:getWidth(), Screen:getHeight())
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if not ok then
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self.error_message = self.doc -- will contain error message
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return
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end
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self.is_open = true
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self.info.has_pages = false
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self:_readMetadata()
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-- @TODO read line_space_percent from setting file 12.06 2012 (houqp)
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--self._document:setDefaultInterlineSpace(self.line_space_percent)
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end
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function CreDocument:hintPage(pageno, zoom, rotation)
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end
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function CreDocument:drawPage(target, x, y, rect, pageno, zoom, rotation)
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end
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function CreDocument:renderPage(pageno, rect, zoom, rotation)
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end
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function CreDocument:getFontFace()
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return self._document:getFontFace()
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end
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function CreDocument:setFontFace(new_font_face)
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if new_font_face then
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self._document:setFontFace(new_font_face)
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end
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end
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function CreDocument:getFontSize()
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return self._document:getFontSize()
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end
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function CreDocument:zoomFont(delta)
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self._document:zoomFont(delta)
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end
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function CreDocument:setInterlineSpacePercent(percent)
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self._document:setDefaultInterlineSpace(percent)
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end
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DocumentRegistry:addProvider("txt", "application/txt", CreDocument)
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DocumentRegistry:addProvider("epub", "application/epub", CreDocument)
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DocumentRegistry:addProvider("html", "application/html", CreDocument)
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DocumentRegistry:addProvider("htm", "application/htm", CreDocument)
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DocumentRegistry:addProvider("zip", "application/zip", CreDocument)
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DocumentRegistry:addProvider("rtf", "application/rtf", CreDocument)
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DocumentRegistry:addProvider("mobi", "application/mobi", CreDocument)
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DocumentRegistry:addProvider("prc", "application/prc", CreDocument)
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DocumentRegistry:addProvider("azw", "application/azw", CreDocument)
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DocumentRegistry:addProvider("chm", "application/chm", CreDocument)
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DocumentRegistry:addProvider("pdb", "application/pdb", CreDocument)
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DocumentRegistry:addProvider("doc", "application/doc", CreDocument)
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DocumentRegistry:addProvider("tcr", "application/tcr", CreDocument)
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